2012-01-16 22:51:16 +04:00
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/*
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2013-02-11 21:43:09 +04:00
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* drivers/gpu/drm/omapdrm/omap_plane.c
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2012-01-16 22:51:16 +04:00
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*
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* Copyright (C) 2011 Texas Instruments
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* Author: Rob Clark <rob.clark@linaro.org>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published by
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* the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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2015-03-05 22:38:16 +03:00
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#include <drm/drm_atomic_helper.h>
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2012-08-16 00:18:01 +04:00
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#include "omap_dmm_tiler.h"
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2015-03-05 22:31:37 +03:00
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#include "omap_drv.h"
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2012-01-16 22:51:16 +04:00
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/* some hackery because omapdss has an 'enum omap_plane' (which would be
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* better named omap_plane_id).. and compiler seems unhappy about having
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* both a 'struct omap_plane' and 'enum omap_plane'
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*/
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#define omap_plane _omap_plane
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/*
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* plane funcs
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*/
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#define to_omap_plane(x) container_of(x, struct omap_plane, base)
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struct omap_plane {
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struct drm_plane base;
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2012-12-04 23:59:12 +04:00
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int id; /* TODO rename omap_plane -> omap_plane_id in omapdss so I can use the enum */
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const char *name;
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2012-01-16 22:51:16 +04:00
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struct omap_overlay_info info;
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2012-08-16 00:18:01 +04:00
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/* position/orientation of scanout within the fb: */
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struct omap_drm_window win;
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2012-12-04 23:59:12 +04:00
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bool enabled;
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2012-01-16 22:51:17 +04:00
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/* last fb that we pinned: */
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struct drm_framebuffer *pinned_fb;
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2012-01-16 22:51:16 +04:00
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2012-03-05 20:48:31 +04:00
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uint32_t nformats;
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uint32_t formats[32];
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2012-03-05 20:48:35 +04:00
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2012-12-04 23:59:12 +04:00
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struct omap_drm_irq error_irq;
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2012-03-05 20:48:31 +04:00
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};
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2012-01-16 22:51:16 +04:00
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2012-01-16 22:51:17 +04:00
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/* update which fb (if any) is pinned for scanout */
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2015-01-17 20:09:26 +03:00
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static int omap_plane_update_pin(struct drm_plane *plane)
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2012-01-16 22:51:17 +04:00
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{
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struct omap_plane *omap_plane = to_omap_plane(plane);
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2012-03-05 20:48:35 +04:00
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struct drm_framebuffer *pinned_fb = omap_plane->pinned_fb;
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2015-01-17 20:09:26 +03:00
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struct drm_framebuffer *fb = omap_plane->enabled ? plane->fb : NULL;
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int ret = 0;
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2012-03-05 20:48:35 +04:00
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2015-01-17 20:09:26 +03:00
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if (pinned_fb == fb)
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return 0;
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2012-03-05 20:48:35 +04:00
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2015-01-17 20:09:26 +03:00
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DBG("%p -> %p", pinned_fb, fb);
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2012-12-04 23:59:12 +04:00
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2015-01-17 20:09:26 +03:00
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if (fb) {
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drm_framebuffer_reference(fb);
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ret = omap_framebuffer_pin(fb);
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}
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2012-03-05 20:48:35 +04:00
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2015-01-17 20:09:26 +03:00
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if (pinned_fb)
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omap_crtc_queue_unpin(plane->crtc, pinned_fb);
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2012-01-16 22:51:17 +04:00
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2015-01-17 20:09:26 +03:00
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if (ret) {
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dev_err(plane->dev->dev, "could not swap %p -> %p\n",
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omap_plane->pinned_fb, fb);
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drm_framebuffer_unreference(fb);
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omap_plane->pinned_fb = NULL;
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return ret;
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2012-01-16 22:51:17 +04:00
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}
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2015-01-17 20:09:26 +03:00
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omap_plane->pinned_fb = fb;
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2012-03-05 20:48:35 +04:00
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return 0;
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2012-01-16 22:51:17 +04:00
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}
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2015-01-17 20:09:26 +03:00
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static int omap_plane_setup(struct omap_plane *omap_plane)
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2012-01-16 22:51:16 +04:00
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{
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2015-01-17 20:09:26 +03:00
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struct omap_overlay_info *info = &omap_plane->info;
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2012-12-04 23:59:12 +04:00
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struct drm_plane *plane = &omap_plane->base;
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struct drm_device *dev = plane->dev;
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struct drm_crtc *crtc = plane->crtc;
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2012-01-16 22:51:17 +04:00
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int ret;
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2012-01-16 22:51:16 +04:00
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2015-01-17 20:09:26 +03:00
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DBG("%s, enabled=%d", omap_plane->name, omap_plane->enabled);
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2012-12-04 23:59:12 +04:00
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/* if fb has changed, pin new fb: */
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2015-01-17 20:09:26 +03:00
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ret = omap_plane_update_pin(plane);
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if (ret)
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return ret;
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2012-12-04 23:59:12 +04:00
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2015-01-17 20:09:26 +03:00
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dispc_runtime_get();
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if (!omap_plane->enabled) {
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2012-12-04 23:59:12 +04:00
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dispc_ovl_enable(omap_plane->id, false);
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2015-01-17 20:09:26 +03:00
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goto done;
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2012-01-16 22:51:17 +04:00
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}
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2012-01-16 22:51:16 +04:00
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2012-12-04 23:59:12 +04:00
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/* update scanout: */
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2015-01-17 20:09:26 +03:00
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omap_framebuffer_update_scanout(plane->fb, &omap_plane->win, info);
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2012-01-16 22:51:16 +04:00
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2012-12-04 23:59:12 +04:00
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DBG("%dx%d -> %dx%d (%d)", info->width, info->height,
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info->out_width, info->out_height,
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2012-01-16 22:51:17 +04:00
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info->screen_width);
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2014-07-12 13:53:41 +04:00
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DBG("%d,%d %pad %pad", info->pos_x, info->pos_y,
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&info->paddr, &info->p_uv_addr);
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2012-12-04 23:59:12 +04:00
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2015-01-17 20:09:26 +03:00
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dispc_ovl_set_channel_out(omap_plane->id,
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omap_crtc_channel(crtc));
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2014-10-03 19:14:08 +04:00
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2012-12-04 23:59:12 +04:00
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/* and finally, update omapdss: */
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2015-01-12 17:44:03 +03:00
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ret = dispc_ovl_setup(omap_plane->id, info, false,
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omap_crtc_timings(crtc), false);
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2012-12-04 23:59:12 +04:00
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if (ret) {
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dev_err(dev->dev, "dispc_ovl_setup failed: %d\n", ret);
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2015-01-17 20:09:26 +03:00
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goto done;
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2012-12-04 23:59:12 +04:00
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}
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dispc_ovl_enable(omap_plane->id, true);
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2015-01-17 20:09:26 +03:00
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done:
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dispc_runtime_put();
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return ret;
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2012-01-16 22:51:16 +04:00
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}
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2012-01-16 22:51:18 +04:00
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int omap_plane_mode_set(struct drm_plane *plane,
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2015-01-17 23:31:42 +03:00
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struct drm_crtc *crtc, struct drm_framebuffer *fb,
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int crtc_x, int crtc_y,
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unsigned int crtc_w, unsigned int crtc_h,
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unsigned int src_x, unsigned int src_y,
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2015-01-17 20:09:26 +03:00
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unsigned int src_w, unsigned int src_h)
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2012-01-16 22:51:16 +04:00
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{
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struct omap_plane *omap_plane = to_omap_plane(plane);
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2012-08-16 00:18:01 +04:00
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struct omap_drm_window *win = &omap_plane->win;
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win->crtc_x = crtc_x;
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win->crtc_y = crtc_y;
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win->crtc_w = crtc_w;
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win->crtc_h = crtc_h;
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2012-01-16 22:51:16 +04:00
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2015-01-17 23:31:42 +03:00
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win->src_x = src_x;
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win->src_y = src_y;
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win->src_w = src_w;
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win->src_h = src_h;
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2012-01-16 22:51:16 +04:00
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2015-01-17 20:09:26 +03:00
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return omap_plane_setup(omap_plane);
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}
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2012-12-04 23:59:12 +04:00
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2015-01-17 20:09:26 +03:00
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int omap_plane_set_enable(struct drm_plane *plane, bool enable)
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{
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struct omap_plane *omap_plane = to_omap_plane(plane);
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if (enable == omap_plane->enabled)
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return 0;
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2012-12-04 23:59:12 +04:00
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2015-01-17 20:09:26 +03:00
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omap_plane->enabled = enable;
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return omap_plane_setup(omap_plane);
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2012-01-16 22:51:16 +04:00
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}
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2012-01-16 22:51:18 +04:00
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static int omap_plane_update(struct drm_plane *plane,
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struct drm_crtc *crtc, struct drm_framebuffer *fb,
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int crtc_x, int crtc_y,
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unsigned int crtc_w, unsigned int crtc_h,
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uint32_t src_x, uint32_t src_y,
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uint32_t src_w, uint32_t src_h)
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{
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2012-12-04 23:59:12 +04:00
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struct omap_plane *omap_plane = to_omap_plane(plane);
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2015-01-17 20:09:26 +03:00
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int ret;
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2012-12-04 23:59:12 +04:00
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omap_plane->enabled = true;
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2013-04-09 16:26:00 +04:00
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2014-04-05 22:33:51 +04:00
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/* omap_plane_mode_set() takes adjusted src */
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switch (omap_plane->win.rotation & 0xf) {
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case BIT(DRM_ROTATE_90):
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case BIT(DRM_ROTATE_270):
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swap(src_w, src_h);
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break;
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}
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2015-01-11 01:11:18 +03:00
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/*
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* We don't need to take a reference to the framebuffer as the DRM core
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* has already done so for the purpose of setting plane->fb.
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*/
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plane->fb = fb;
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plane->crtc = crtc;
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2015-01-17 23:31:42 +03:00
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/* src values are in Q16 fixed point, convert to integer: */
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2015-01-17 20:09:26 +03:00
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ret = omap_plane_mode_set(plane, crtc, fb,
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crtc_x, crtc_y, crtc_w, crtc_h,
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src_x >> 16, src_y >> 16,
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src_w >> 16, src_h >> 16);
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if (ret < 0)
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return ret;
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return omap_crtc_flush(plane->crtc);
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2012-01-16 22:51:18 +04:00
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}
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2012-01-16 22:51:16 +04:00
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static int omap_plane_disable(struct drm_plane *plane)
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{
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2012-08-16 00:18:01 +04:00
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struct omap_plane *omap_plane = to_omap_plane(plane);
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2015-01-12 23:38:16 +03:00
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2012-08-16 00:18:01 +04:00
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omap_plane->win.rotation = BIT(DRM_ROTATE_0);
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2015-01-13 00:56:57 +03:00
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omap_plane->info.zorder = plane->type == DRM_PLANE_TYPE_PRIMARY
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? 0 : omap_plane->id;
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2015-01-17 20:09:26 +03:00
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if (!omap_plane->enabled)
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return 0;
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/* Disabling a plane never fails. */
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omap_plane->enabled = false;
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omap_plane_setup(omap_plane);
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return omap_crtc_flush(plane->crtc);
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2012-01-16 22:51:16 +04:00
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}
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static void omap_plane_destroy(struct drm_plane *plane)
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{
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struct omap_plane *omap_plane = to_omap_plane(plane);
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2012-12-04 23:59:12 +04:00
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DBG("%s", omap_plane->name);
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omap_irq_unregister(plane->dev, &omap_plane->error_irq);
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2012-01-16 22:51:16 +04:00
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drm_plane_cleanup(plane);
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2012-12-04 23:59:12 +04:00
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2012-01-16 22:51:16 +04:00
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kfree(omap_plane);
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}
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2012-08-16 00:18:01 +04:00
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/* helper to install properties which are common to planes and crtcs */
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void omap_plane_install_properties(struct drm_plane *plane,
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struct drm_mode_object *obj)
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{
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struct drm_device *dev = plane->dev;
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struct omap_drm_private *priv = dev->dev_private;
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2012-10-26 02:14:13 +04:00
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if (priv->has_dmm) {
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2015-03-06 18:16:43 +03:00
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struct drm_property *prop = dev->mode_config.rotation_property;
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2012-10-26 02:14:13 +04:00
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drm_object_attach_property(obj, prop, 0);
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2012-08-16 00:18:01 +04:00
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}
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2012-08-16 00:18:02 +04:00
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2015-03-06 18:16:43 +03:00
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drm_object_attach_property(obj, priv->zorder_prop, 0);
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2012-08-16 00:18:01 +04:00
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}
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int omap_plane_set_property(struct drm_plane *plane,
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struct drm_property *property, uint64_t val)
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{
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struct omap_plane *omap_plane = to_omap_plane(plane);
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struct omap_drm_private *priv = plane->dev->dev_private;
|
2015-01-17 20:09:26 +03:00
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int ret;
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2012-08-16 00:18:01 +04:00
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2015-03-06 18:16:43 +03:00
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if (property == plane->dev->mode_config.rotation_property) {
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2012-12-04 23:59:12 +04:00
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DBG("%s: rotation: %02x", omap_plane->name, (uint32_t)val);
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2012-08-16 00:18:01 +04:00
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omap_plane->win.rotation = val;
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2012-08-16 00:18:02 +04:00
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} else if (property == priv->zorder_prop) {
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2012-12-04 23:59:12 +04:00
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DBG("%s: zorder: %02x", omap_plane->name, (uint32_t)val);
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2012-08-16 00:18:02 +04:00
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omap_plane->info.zorder = val;
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2015-01-17 20:09:26 +03:00
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} else {
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return -EINVAL;
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2012-08-16 00:18:01 +04:00
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}
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2015-01-17 20:09:26 +03:00
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/*
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* We're done if the plane is disabled, properties will be applied the
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* next time it becomes enabled.
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*/
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if (!omap_plane->enabled)
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return 0;
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ret = omap_plane_setup(omap_plane);
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if (ret < 0)
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return ret;
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|
|
return omap_crtc_flush(plane->crtc);
|
2012-08-16 00:18:01 +04:00
|
|
|
}
|
|
|
|
|
2012-01-16 22:51:16 +04:00
|
|
|
static const struct drm_plane_funcs omap_plane_funcs = {
|
2015-01-11 01:02:07 +03:00
|
|
|
.update_plane = omap_plane_update,
|
|
|
|
.disable_plane = omap_plane_disable,
|
2015-03-05 22:38:16 +03:00
|
|
|
.reset = drm_atomic_helper_plane_reset,
|
2015-01-11 01:02:07 +03:00
|
|
|
.destroy = omap_plane_destroy,
|
|
|
|
.set_property = omap_plane_set_property,
|
2015-03-05 22:38:16 +03:00
|
|
|
.atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
|
|
|
|
.atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
|
2012-01-16 22:51:16 +04:00
|
|
|
};
|
|
|
|
|
2012-12-04 23:59:12 +04:00
|
|
|
static void omap_plane_error_irq(struct omap_drm_irq *irq, uint32_t irqstatus)
|
|
|
|
{
|
|
|
|
struct omap_plane *omap_plane =
|
|
|
|
container_of(irq, struct omap_plane, error_irq);
|
2014-11-19 13:50:13 +03:00
|
|
|
DRM_ERROR_RATELIMITED("%s: errors: %08x\n", omap_plane->name,
|
|
|
|
irqstatus);
|
2012-12-04 23:59:12 +04:00
|
|
|
}
|
|
|
|
|
|
|
|
static const char *plane_names[] = {
|
2015-01-11 01:02:07 +03:00
|
|
|
[OMAP_DSS_GFX] = "gfx",
|
|
|
|
[OMAP_DSS_VIDEO1] = "vid1",
|
|
|
|
[OMAP_DSS_VIDEO2] = "vid2",
|
|
|
|
[OMAP_DSS_VIDEO3] = "vid3",
|
2012-12-04 23:59:12 +04:00
|
|
|
};
|
|
|
|
|
|
|
|
static const uint32_t error_irqs[] = {
|
2015-01-11 01:02:07 +03:00
|
|
|
[OMAP_DSS_GFX] = DISPC_IRQ_GFX_FIFO_UNDERFLOW,
|
|
|
|
[OMAP_DSS_VIDEO1] = DISPC_IRQ_VID1_FIFO_UNDERFLOW,
|
|
|
|
[OMAP_DSS_VIDEO2] = DISPC_IRQ_VID2_FIFO_UNDERFLOW,
|
|
|
|
[OMAP_DSS_VIDEO3] = DISPC_IRQ_VID3_FIFO_UNDERFLOW,
|
2012-12-04 23:59:12 +04:00
|
|
|
};
|
|
|
|
|
2012-01-16 22:51:16 +04:00
|
|
|
/* initialize plane */
|
|
|
|
struct drm_plane *omap_plane_init(struct drm_device *dev,
|
2015-01-11 01:11:18 +03:00
|
|
|
int id, enum drm_plane_type type)
|
2012-01-16 22:51:16 +04:00
|
|
|
{
|
2012-12-04 23:59:12 +04:00
|
|
|
struct omap_drm_private *priv = dev->dev_private;
|
2015-01-11 01:11:18 +03:00
|
|
|
struct drm_plane *plane;
|
2012-01-16 22:51:16 +04:00
|
|
|
struct omap_plane *omap_plane;
|
2012-12-04 23:59:12 +04:00
|
|
|
struct omap_overlay_info *info;
|
2015-01-11 01:11:18 +03:00
|
|
|
int ret;
|
2012-01-16 22:51:16 +04:00
|
|
|
|
2015-01-11 01:11:18 +03:00
|
|
|
DBG("%s: type=%d", plane_names[id], type);
|
2012-03-05 20:48:35 +04:00
|
|
|
|
2012-01-16 22:51:16 +04:00
|
|
|
omap_plane = kzalloc(sizeof(*omap_plane), GFP_KERNEL);
|
2013-02-11 21:41:29 +04:00
|
|
|
if (!omap_plane)
|
2015-01-11 17:30:44 +03:00
|
|
|
return ERR_PTR(-ENOMEM);
|
2012-01-16 22:51:16 +04:00
|
|
|
|
2012-03-05 20:48:31 +04:00
|
|
|
omap_plane->nformats = omap_framebuffer_get_formats(
|
|
|
|
omap_plane->formats, ARRAY_SIZE(omap_plane->formats),
|
2012-12-04 23:59:12 +04:00
|
|
|
dss_feat_get_supported_color_modes(id));
|
|
|
|
omap_plane->id = id;
|
|
|
|
omap_plane->name = plane_names[id];
|
|
|
|
|
2012-01-16 22:51:16 +04:00
|
|
|
plane = &omap_plane->base;
|
|
|
|
|
2012-12-04 23:59:12 +04:00
|
|
|
omap_plane->error_irq.irqmask = error_irqs[id];
|
|
|
|
omap_plane->error_irq.irq = omap_plane_error_irq;
|
|
|
|
omap_irq_register(dev, &omap_plane->error_irq);
|
|
|
|
|
2015-01-11 01:11:18 +03:00
|
|
|
ret = drm_universal_plane_init(dev, plane, (1 << priv->num_crtcs) - 1,
|
|
|
|
&omap_plane_funcs, omap_plane->formats,
|
|
|
|
omap_plane->nformats, type);
|
|
|
|
if (ret < 0)
|
|
|
|
goto error;
|
2012-01-16 22:51:16 +04:00
|
|
|
|
2012-08-16 00:18:01 +04:00
|
|
|
omap_plane_install_properties(plane, &plane->base);
|
|
|
|
|
2012-01-16 22:51:16 +04:00
|
|
|
/* get our starting configuration, set defaults for parameters
|
|
|
|
* we don't currently use, etc:
|
|
|
|
*/
|
2012-12-04 23:59:12 +04:00
|
|
|
info = &omap_plane->info;
|
|
|
|
info->rotation_type = OMAP_DSS_ROT_DMA;
|
|
|
|
info->rotation = OMAP_DSS_ROT_0;
|
|
|
|
info->global_alpha = 0xff;
|
|
|
|
info->mirror = 0;
|
2012-01-16 22:51:16 +04:00
|
|
|
|
|
|
|
/* Set defaults depending on whether we are a CRTC or overlay
|
|
|
|
* layer.
|
|
|
|
* TODO add ioctl to give userspace an API to change this.. this
|
|
|
|
* will come in a subsequent patch.
|
|
|
|
*/
|
2015-01-11 01:11:18 +03:00
|
|
|
if (type == DRM_PLANE_TYPE_PRIMARY)
|
2012-01-16 22:51:16 +04:00
|
|
|
omap_plane->info.zorder = 0;
|
|
|
|
else
|
2012-12-04 23:59:12 +04:00
|
|
|
omap_plane->info.zorder = id;
|
2012-01-16 22:51:16 +04:00
|
|
|
|
|
|
|
return plane;
|
2015-01-11 01:11:18 +03:00
|
|
|
|
|
|
|
error:
|
|
|
|
omap_irq_unregister(plane->dev, &omap_plane->error_irq);
|
|
|
|
kfree(omap_plane);
|
|
|
|
return NULL;
|
2012-01-16 22:51:16 +04:00
|
|
|
}
|